If you're looking to swap out your ring and pinion for something that truly stands up to the test, the USA Standard Gear sets are a solid choice. These aren’t just any gears; they’re built to exceed what the factory puts out. Each set goes through some serious quality checks in-house, making sure they meet all the dimensional, material, and fitment standards you’d expect from a top-notch product.
Designed for Toyota 8 in.; 3.90 Ratio; 8 in. Ring Gear Diameter
Comes with pinion yoke, pinion seal, and pinion nut—everything you need to get going!
Fits in the rear position
Also fits in the front position
Products Fitment:
This USA Standard Gear Ring & Pinion set is perfect for those who want a 3.90 ratio in their Toyota 8" differentials. Whether you're hitting the trails or just need a reliable setup for daily driving, these gears will get the job done without breaking a sweat.
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